package com.gridpower.spreadsheet.client.operation;
/**
 * when to show these information is quite a problem, here is the
 * suggestion: except the CellEditedOpertion and the FixedChange Operation,
 * Others are shown at response. This design decision is based on the
 * fact that most operation may act different way at different time.
 * @author Administrator
 *
 */
public interface UndoableOperation extends Operation {
	public void doOper();
	public void undoOper();
}
